html,
body {
  height: 100%;
  background-color: #fff;
}
ul,
ol,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}
.fl-x {
  display: flex;
}
.fl-y {
  display: flex;
  flex-direction: column;
}
.lt-layout {
  max-width: 640px;
  min-width: 320px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.lt-header {
  width: 100%;
  height: 45px;
  background-color: #069;
}
.lt-header a {
  width: 45px;
  height: 45px;
  text-align: center;
  line-height: 45px;
  color: #fff;
}
.lt-header h4 {
  flex: 1;
  text-align: center;
  margin: 0;
  line-height: 45px;
  color: #fff;
  font-weight: normal;
}
.lt-main {
  flex: 1;
  position: relative;
}
.lt-main .main-nav {
  padding: 5px;
}
.lt-main .main-nav li {
  float: left;
  width: 33.33%;
}
.lt-main .main-nav li img {
  width: 100%;
  display: block;
}
.lt-main .lt-product {
  flex-wrap: wrap;
  justify-content: space-between;
}
.lt-main .lt-product .item {
  text-align: center;
  padding: 5px;
  width: 48%;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}
.lt-main .lt-product .item img {
  width: 100%;
}
.lt-main .lt-product .item .lt-new {
  color: red;
}
.lt-main .lt-product .item .lt-old {
  text-decoration: line-through;
}
.lt-footer {
  width: 100%;
  height: 50px;
  background-color: #069;
}
.lt-footer ul li {
  flex: 25%;
  text-align: center;
  padding-top: 5px;
}
.lt-footer ul li a {
  color: #fff;
}
.lt-footer ul li a p {
  color: #fff;
}
.lt-footer ul li.current a {
  color: #daa520;
}
.lt-footer ul li.current p {
  color: #daa520;
}
